lsass.exe in Windows and related problems

First of all the user needs to understand that the file is LSASS and ISASS. It is a critical windows file that cannot be turned off or as it is a critical file that is needed by the system to run effectively. It is not a virus or a worm and therefore the user can use the built in functionalities with ease. The path at which the file is located is normally at c:\windows\system32 or c:\winnt\system32. The file is also deemed to be as a security threat. Sometimes the worm or virus is the issue that is behind the problem.

The user therefore needs to ensure that the antivirus has been installed to get the work done with ease and satisfaction. LSASS stands for Local Security Authority Subsystem Service. The possible threat detection and the related file location will also be discussed in the latter part of the tutorial.

Part 1: Suspicious issues with the file, their detection and related file location

The security threat that has been associated with the file is directly related to the location of the file. Below are the issues that are related to the file and can be regarded as viruses and Trojans.

• If the lsass.exe has been located at the path C:\Windows then the security threat is 80%. The total file size is 253,952 bytes. Most of the files that are related to this path are not core system files. It means that the user needs to run antivirus scan to get the work done easily. This file starts up as the windows do. The registry key that is related to this file is MACHINE\Run, Winlogon\Shell, Run, Userinit, exefile, win.ini, MACHINE\RunOnceEx, MACHINE\RunOnce, MACHINE\User Shell Folders, User Shell Folders, DEFAULT\Run, RunOnce, MACHINE\RunServices. The user can locate the file and check for the issues easily.

• With 62% danger rate the file that is located at the user’s profile folder is again not the core system file. It has a total size of 229,621 bytes. The registry key that is associated with the idea is MACHINE\Run, Winlogon\Shell, Run, Userinit, exefile, win.ini, MACHINE\RunOnceEx, MACHINE\RunOnce, MACHINE\User Shell Folders, User Shell Folders, DEFAULT\Run, RunOnce, MACHINE\RunServices. This file is able to take control and manipulate the programs.

• The file that has been located at the C:\Windows folder is the lsass.exe file that is 79% dangerous. The total file size is 107,520 bytes and. The 8% of total occurrences in the system are associated with this file

• If the file is located C:\Program Files the risk that is associated is almost 57%. The total file size is 94,208.

• The file located at the path C:\Windows\System32\drivers has a security threat rating of 44%. The total file size is 110,592 bytes and the security variants that are associated are almost 200+

Part 2: The process to correct the issues related to lsass.exe

The steps that are to be followed in this regard are as follows:

1. The URL https://technet.microsoft.com/library/security/ms04-011 is to be browsed. It will lead the user to that bulletin that is related to lsass.exe file:

2. The user then needs to download the file that is associated with the issue that is being faced:

3. Once the file is downloaded the user needs to double click it to install it immediately:

4. The user now needs to ensure that the firewall that has been built in is turned on:

5. The window updates are also to be installed to ensure that the work is done in line with the user’s demand. Still if the issue is faced it is advised to look for the MS representative to get the issue fixed completely for the user. The process also ends here completely:

Part 3: Other process to overcome the lsass.exe errors

The user needs to ensure that the following steps are executed to completely curb the situation. It is a known process that gets the work done without any issue and trouble:

1. The path that is to be followed by the user in this regard is C:\Windows\System32\drivers\etc. This will lead the user to the lmhost files:

2. The user then needs to ensure that the file is right clicked to open the menu as shown as follows:

3. The file is then to be opened. If the OS asks for the opening software then user should select wordpad or notepad:

4. Once the notepad is opened it is to be checked. There should be no line that does not start with # key. The other phrases that the user should look for are Microsoft.com, windowsupdate or it can be any other antivirus program name. These phrases should not be there within the window:

5. If the user finds any file that has been corrupted then it has the names that are mentioned above. If the user founds any such file then the folder should be closed. The user should then go for the main interface. The name of the file is to be changed to lmhosts.ch:

6. Once the name has been changed the user then needs to restart the system:

7. Once the system has been restarted the user needs to press the windows + R key to open the run command. The term nbtstat – R is to be typed. A brief cmd window will appear and close on its own. Once it has been done the process ends here in full:

Note

It is a two part process that user needs to follow. For the best results it is advised to follow both the parts to get over the issue. The full fledge process has also been mentioned at the URL http://www.computerhope.com/issues/ch000913.htm. This part has been detailed due to the fact that it is technical in nature and most of the windows users are not at all tech savvy.

Depending upon the circumstances the lsass.exe file error can be due to any reason. It is therefore advised to ensure that the user should follow the processes as above. It will get the best outcome to the user and on the other hand will also allow them to freely use the system with ease.